![](https://ae01.alicdn.com/kf/HTB1aOWZdlGw3KVjSZFwq6zQ2FXai.jpg)
Product description:
UPC1237 speaker protection board 2.0 boot delay DIY audio box protector 300W
This board has a start-up delay, quick-break shutdown: protects the horn, and the DC start-up voltage is 1.5V.
Use 1.6MM high-quality glass fiber board spray tin process.
Support the use of power amplifiers with a common negative electrode output, such as: 1875, LM3886, TDA7294, etc.
Input power: single power supply AC/DC 12V-18V, greater than 300MA
Product size: 77*50*22mm
Power: 300Wx2
Package included:
1Pcs UPC1237 speaker protection board
![](https://ae01.alicdn.com/kf/HTB1O9qUdoGF3KVjSZFvq6z_nXXar.jpg)
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